diff --git a/packages/system/src/types/handles.ts b/packages/system/src/types/handles.ts
index 9cf2a1dd..f9828dd5 100644
--- a/packages/system/src/types/handles.ts
+++ b/packages/system/src/types/handles.ts
@@ -36,5 +36,5 @@ export type HandleProps = {
   /** Id of the handle
    * @remarks optional if there is only one handle of this type
    */
-  id?: string | null;
+  id?: string;
 };